結果

問題 No.733 分身並列コーディング
ユーザー kitakitalilykitakitalily
提出日時 2019-10-21 13:11:08
言語 Java21
(openjdk 21)
結果
AC  
実行時間 212 ms / 1,500 ms
コード長 5,753 bytes
コンパイル時間 2,073 ms
コンパイル使用メモリ 75,124 KB
実行使用メモリ 65,404 KB
最終ジャッジ日時 2023-09-15 14:58:31
合計ジャッジ時間 9,316 ms
ジャッジサーバーID
(参考情報)
judge14 / judge11
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 40 ms
49,340 KB
testcase_01 AC 39 ms
49,456 KB
testcase_02 AC 40 ms
49,008 KB
testcase_03 AC 197 ms
64,524 KB
testcase_04 AC 197 ms
64,552 KB
testcase_05 AC 181 ms
65,332 KB
testcase_06 AC 40 ms
49,004 KB
testcase_07 AC 157 ms
62,744 KB
testcase_08 AC 211 ms
65,228 KB
testcase_09 AC 98 ms
56,060 KB
testcase_10 AC 64 ms
51,448 KB
testcase_11 AC 64 ms
51,984 KB
testcase_12 AC 39 ms
49,008 KB
testcase_13 AC 39 ms
49,248 KB
testcase_14 AC 82 ms
53,604 KB
testcase_15 AC 58 ms
51,092 KB
testcase_16 AC 39 ms
49,092 KB
testcase_17 AC 40 ms
49,168 KB
testcase_18 AC 65 ms
51,744 KB
testcase_19 AC 99 ms
56,072 KB
testcase_20 AC 124 ms
55,968 KB
testcase_21 AC 84 ms
53,608 KB
testcase_22 AC 212 ms
65,404 KB
testcase_23 AC 82 ms
53,880 KB
testcase_24 AC 84 ms
53,636 KB
testcase_25 AC 41 ms
49,016 KB
testcase_26 AC 40 ms
48,980 KB
testcase_27 AC 55 ms
49,748 KB
testcase_28 AC 200 ms
64,572 KB
testcase_29 AC 200 ms
62,860 KB
testcase_30 AC 201 ms
64,608 KB
testcase_31 AC 200 ms
64,556 KB
testcase_32 AC 73 ms
51,564 KB
testcase_33 AC 73 ms
51,584 KB
testcase_34 AC 73 ms
51,572 KB
testcase_35 AC 72 ms
51,980 KB
testcase_36 AC 75 ms
51,760 KB
testcase_37 AC 71 ms
51,756 KB
testcase_38 AC 199 ms
64,596 KB
testcase_39 AC 201 ms
64,796 KB
testcase_40 AC 199 ms
64,880 KB
testcase_41 AC 70 ms
51,260 KB
testcase_42 AC 70 ms
51,324 KB
testcase_43 AC 71 ms
51,768 KB
testcase_44 AC 201 ms
64,568 KB
testcase_45 AC 200 ms
64,612 KB
testcase_46 AC 199 ms
64,576 KB
testcase_47 AC 198 ms
64,720 KB
testcase_48 AC 148 ms
64,512 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import java.util.*;
import java.io.*;

public class Main {
	static long mod = 1000000007;
	static int INF = Integer.MAX_VALUE;
	static int[] b;
	static int sz;
	static int[] sum;
 	public static void main(String[] args){
		FastScanner scanner = new FastScanner();
		int T = scanner.nextInt();
		int n = scanner.nextInt();
		int[] t = new int[n];
		for(int i = 0; i < n; i++){
			t[i] = scanner.nextInt();
		}
		//dp[i][j]:=問題の集合iをj人で解いた時、まだ解いていない問題の時間の合計の最小値
		int[][] dp = new int[1<<n][20];
		for(int i = 1; i < (1<<n); i++){
			for(int j = 0; j < n; j++){
				dp[i][j] = INF;
			}
		}
		for(int i = 1; i < (1<<n); i++){
			for(int j = 0; j < n; j++){
				if(((i>>j) & 1) == 1){
					for(int k = 0; k <= n; k++){
						dp[i][k] = Math.min(dp[i][k],dp[i^(1<<j)][k]+t[j]);
						if(dp[i][k] <= T){
							dp[i][k+1] = 0;
						}
					}
				}
			}
		}
		for(int i = 0; i <= n; i++){
			if(dp[(1<<n)-1][i] == 0){
				System.out.println(i);
				return;
			}
		}
	}

	public static int upperBound(int[] array, int value) {
			 int low = 0;
			 int high = array.length;
			 int mid;
			 while( low < high ) {
					 mid = ((high - low) >>> 1) + low; // (high + low) / 2
					 if( array[mid] <= value ) {
							 low = mid + 1;
					 } else {
							 high = mid;
					 }
			 }
			 return low;
	 }
	 public static final int lowerBound(final int[] arr, final int value) {
    	int low = 0;
    	int high = arr.length;
    	int mid;
    	while (low < high){
        	mid = ((high - low) >>> 1) + low;    //(low + high) / 2 (オーバーフロー対策)
        	if (arr[mid] < value) {
          	low = mid + 1;
        	} else {
            high = mid;
        	}
    	}
    	return low;
		}
	static class BIT{
		int n;
		int[] bit;
		public BIT(int n){
			this.n = n;
			bit = new int[n+1];
		}
		void add(int idx, int val){
			for(int i = idx+1; i <= n; i += i&(-i)) bit[i-1] += val;
		}
		int sum(int idx){
			int res = 0;
			for(int i = idx+1; i > 0; i -= i&(-i)) res += bit[i-1];
			return res;
		}
		int sum(int begin, int end){
			if(begin == 0) return sum(end);
			return sum(end)-sum(begin-1);
		}
	}
	static class Pair implements Comparable<Pair>{
    int first, second;
    Pair(int a, int b){
        first = a;
        second = b;
    }
    @Override
    public boolean equals(Object o){
        if (this == o) return true;
        if (!(o instanceof Pair)) return false;
        Pair p = (Pair) o;
        return first == p.first && second == p.second;
    }
    @Override
    public int compareTo(Pair p){
        //return first == p.first ? second - p.second : first - p.first; //firstで昇順にソート
        //return (first == p.first ? second - p.second : first - p.first) * -1; //firstで降順にソート
        //return second == p.second ? first - p.first : second - p.second;//secondで昇順にソート
        return (second == p.second ? first - p.first : second - p.second)*-1;//secondで降順にソート
		    //return first * 1.0 / second > p.first * 1.0 / p.second ? 1 : -1; // first/secondの昇順にソート
		    //return first * 1.0 / second < p.first * 1.0 / p.second ? 1 : -1; // first/secondの降順にソート
				//return second * 1.0 / first > p.second * 1.0 / p.first ? 1 : -1; // second/firstの昇順にソート
		    //return second * 1.0 / first < p.second * 1.0 / p.first ? 1 : -1; // second/firstの降順にソート
				//return Math.atan2(second, first) > Math.atan2(p.second, p.first) ? 1 : -1; // second/firstの昇順にソート
				//return first + second > p.first + p.second ? 1 : -1; //first+secondの昇順にソート
				//return first + second < p.first + p.second ? 1 : -1; //first+secondの降順にソート
				//return first - second < p.first - p.second ? 1 : -1; //first-secondの降順にソート
				//return Math.atan2(second,first) > Math.atan2(p.second, p.first) ? 1 : -1;
		}
  }

	private static class FastScanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;
		private boolean hasNextByte() {
				if (ptr < buflen) {
						return true;
				}else{
						ptr = 0;
						try {
								buflen = in.read(buffer);
						} catch (IOException e) {
								e.printStackTrace();
						}
						if (buflen <= 0) {
								return false;
						}
				}
				return true;
		}
		private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
		private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
		public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
		public String next() {
				if (!hasNext()) throw new NoSuchElementException();
				StringBuilder sb = new StringBuilder();
				int b = readByte();
				while(isPrintableChar(b)) {
						sb.appendCodePoint(b);
						b = readByte();
				}
				return sb.toString();
		}
		public long nextLong() {
				if (!hasNext()) throw new NoSuchElementException();
				long n = 0;
				boolean minus = false;
				int b = readByte();
				if (b == '-') {
						minus = true;
						b = readByte();
				}
				if (b < '0' || '9' < b) {
						throw new NumberFormatException();
				}
				while(true){
						if ('0' <= b && b <= '9') {
								n *= 10;
								n += b - '0';
						}else if(b == -1 || !isPrintableChar(b)){
								return minus ? -n : n;
						}else{
								throw new NumberFormatException();
						}
						b = readByte();
				}
		}
		public int nextInt() {
				long nl = nextLong();
				if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
				return (int) nl;
		}
		public double nextDouble() { return Double.parseDouble(next());}
	}
}
0